Correction to: Amino Acids (2018) 50:453–468 https://doi.org/10.1007/s00726-017-2531-1

In the Funding section, the first funding code “41400172-4-15322” should be changed to “QC2015018”.

The corrected funding section should be:


Funding We gratefully acknowledge the financial support from the Natural Science Foundation of Heilongjiang Province, China (QC2015018), the National Natural Science Foundation of China (31472104, 31501914, and 31672434), the China Postdoctoral Science Foundation (2015M571385), the Postdoctoral Science Foundation of Heilongjiang Province, China (LBH-Z14026), the Special Financial Grant from the China Postdoctoral Science Foundation (2016T90267), and the Academic Backbone Project of Northeast Agricultural University (16XG14).